897
FXUS65 KBYZ 250715
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
115 AM MDT TUE AUG 25 2026
KEY MESSAGES
- ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS IN THE SOUTH-
CENTRAL MOUNTAINS OF MONTANA TODAY AND WEDNESDAY.
- SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE THURSDAY ACROSS THE
ENTIRE AREA. A FEW STORMS MAY BE STRONG TO SEVERE.
- AN ACTIVE PATTERN IS EXPECTED OVER THE WEEKEND WITH A PERSISTENT
CHANCE OF PRECIPITATION AND COOLER TEMPERATURES.
DISCUSSION
NEXT 7 DAYS (THROUGH NEXT MONDAY)...
UPPER LEVEL TROUGHING AND ASSOCIATED LOW PRESSURE SYSTEM WILL
CONTINUE TO MOVE TO THE EAST TODAY. HIGH PRESSURE BEING ADVECTED
IN BEHIND THE LOW WILL COOL TEMPERATURES INTO THE LOW TO MID 80S F
FOR MOST. THE ABSAROKA/BEARTOOTH MOUNTAINS HAVE A 20-50% CHANCE
FOR SHOWERS AND THUNDERSTORMS WHILE LOWER ELEVATION WILL REMAIN
DRY.
UPPER LEVEL RIDGING MOVES INTO THE REGION WEDNESDAY AS UPPER LEVEL
FLOW GETS PINCHED BETWEEN TROUGHING TO THE EAST AND WEST. THIS
PATTERN IS EXPECTED TO LAST THROUGH THE MIDDLE OF THE WEEK
INCREASING TEMPERATURES INTO THE 90S F BY THURSDAY. STARTING
FRIDAY, ENSEMBLE SYSTEMS ARE INDICATING THAT THE 500 MB TROUGH
OVER THE PACIFIC NORTHWEST WILL BEGIN TO MOVE TO THE EAST AND
FLATTEN OUT THE RIDGE. INCREASING MOISTURE THURSDAY THROUGH
SATURDAY BRINGS CHANCES FOR SHOWERS AND THUNDERSTORMS. MEDIUM
RANGE CONVECTIVE FORECASTS ARE INDICATING THE POTENTIAL FOR SEVERE
WEATHER EACH OF THESE DAYS BUT THERE ARE NO CLEAR SIGNALS AT THIS
TIME. THIS LOWERING OF HEIGHTS WILL LEAD TO LOWER TEMPERATURES IN
THE 70S AND 80S F BY SUNDAY. TORGERSON
AVIATION
VFR CONDITIONS WILL PREVAIL THROUGH TODAYS FORECAST PERIOD.
NORTH/NORTHEAST WINDS WILL PREVAIL FOR MOST AREAS. LOOK FOR
SCATTERED SHOWERS AND ISOLATED THUNDER OVER/NEAR THE MOUNTAINS
BETWEEN 18Z AND 02Z WHILE THE LOWER ELEVATIONS REMAIN DRY.
EASTERLY WINDS WILL REDUCE SMOKE CONCENTRATIONS ACROSS THE AREA
FOR TODAY. BT
PRELIMINARY POINT TEMP/POPS
TDY WED THU FRI SAT SUN MON
-------------------------------------------------------
BIL 083 059/089 062/094 063/090 062/087 059/081 055/084
0/B 00/U 10/U 31/B 31/B 41/B 20/U
LVM 083 049/088 051/091 051/086 050/083 045/076 042/082
1/B 11/B 31/B 52/T 53/T 52/T 21/U
HDN 084 054/092 060/096 061/093 060/089 055/084 050/086
0/B 00/U 00/U 20/B 31/B 31/B 11/U
MLS 082 054/086 059/094 066/093 063/088 059/082 053/083
0/U 00/U 00/U 10/B 22/W 41/B 22/W
4BQ 083 055/087 060/093 066/093 063/088 060/084 054/085
0/U 00/U 00/U 10/B 21/B 31/B 11/U
BHK 082 048/086 051/091 060/093 058/089 054/084 048/084
0/U 00/U 00/U 21/B 32/T 42/T 21/U
SHR 083 051/087 055/092 058/091 057/086 052/082 048/085
2/B 11/B 10/U 11/B 22/T 21/U 11/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...NONE.
WY...NONE.
WEATHER.GOV/BILLINGS
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